If we don’t measure our impact, we’re just guessing at sustainability.
The more I practice, the luckier I get.
长期来看,只有真正创造价值的人才能生存。
蒸汽机中运动的产生总是伴随着一个我们应关注的情况,即热量的平衡重建。
The worst thing that can happen to a human being is to lose hope.